ComplaintCensus

Outfox Energy vs Insite Energy: most-reported complaints compared

Most-reported issues at Outfox Energy and Insite Energy, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.

Outfox Energy

TrustScore 4.8 · 56,002 reviews on Trustpilot.

1,712 reviews analysed, 2021-10-13 to 2026-09-19.

Complaint rate (recent window): 5%

100% of negative reviews get a company reply.

Support unhelpful40%
Billing errors29%
Support unreachable25%
Account/app problems10%
Refunds delayed9%
“They tried to bill me after I was no longer a customer as well.”
2★ Trustpilot review, 2024-01-20

Insite Energy

TrustScore 4.7 · 4,394 reviews on Trustpilot.

314 reviews analysed, 2025-10-03 to 2026-09-17.

Complaint rate (recent window): 5%

98% of negative reviews get a company reply.

Support unreachable38%
Support unhelpful36%
Poor core service26%
Billing errors22%
Account/app problems14%
“Email: Replies require a ridiculous 9 business days, rendering this channel useless for urgent issues.”
1★ Trustpilot review, 2025-10-06

Reported on both

Issues with an evidenced category (at least two verbatim quotes) on both sides.

IssueOutfox EnergyInsite Energy
Support unhelpful40%36%
Billing errors29%22%
Support unreachable25%38%
Account/app problems10%14%

Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, Outfox Energy or Insite Energy.